Gano fayilolin mai jiwuwa da suke yin & ba su aiki a kan iPhone da iPod ba
A cikin tarihin kiɗa na zamani, mutane sukan kira kowane fayil na kiɗa "MP3". Amma wannan ba daidai ba ne. MP3 yana nufin wani irin nau'i na fayil mai jiwuwa kuma ba kowane fayil mai jiwuwa ba ne ainihin MP3. Idan kayi amfani da iPhone , iPod, ko sauran na'urar Apple, akwai kyawawan dama cewa mafi yawan kiɗanka ba a cikin MP3 ba ko kaɗan.
Wani irin fayil ne waƙoƙin ku na dijital, sa'annan? Wannan labarin ya bayyana cikakkun bayanai game da fayiloli na MP3, mafi ƙwarewa da kuma Apple da aka fi son AAC, da kuma wasu nau'ikan fayilolin mai jiwuwa na yau da kullum da suka aikata kuma basu aiki tare da iPhones da iPods.
Duk Game da MP3 Format
MP3 takaice ne na MPEG-2 Audio Layer-3, tsarin ƙwaƙwalwar dijital da aka tsara ta Ƙungiyar Ƙwararrun Hotuna na Hotuna (MPEG), ƙungiyar masana'antu da ke haifar da ka'idodin fasaha.
Ta yaya MP3s aiki
Waƙoƙin da aka ajiye a cikin MP3 shirin ɗauki ƙasa da ƙasa fiye da waƙoƙin da aka adana ta amfani da sauti mai jiwuwar CD kamar WAV (ƙarin a kan wannan tsari daga baya). MP3s ajiya ta wurin compressing bayanan da ke haifar da fayil din. Ƙarfafa waƙoƙi a cikin MP3s yana dauke da cire sassa na fayil ɗin da bazai tasiri tasirin sauraro ba, yawanci mafi ƙarancin ƙarancin audio. Saboda an cire wasu bayanai, wani MP3 ba ya sauti daidai da kamannin CD ɗinsa kuma ana kiransa " matsala" ƙuntatawa . Asarar wasu sassa na sauti ya sa wasu audiophiles su zarge MP3s don cin zarafin sauraron sauraro.
Saboda ƙananan MP3 sun fi matsawa fiye da AIFF ko wasu nau'in takunkumi na asarar, ƙarin MP3s za'a iya adana su a cikin adadin sararin samaniya fiye da fayilolin CD.
Duk da yake saitunan da aka yi amfani da su don ƙirƙirar MP3s zasu iya canza wannan, yawancin magana MP3 yana ɗauke da kimanin kashi 10 cikin dari na fayilolin kiɗa na CD. Alal misali, idan ɗayan CD-quality na waƙa ya kasance 10 MB, ɓangaren MP3 zai kasance kusan 1 MB.
Ƙananan farashin da MP3s
Ana auna darajar audio na MP3 (da duk fayilolin kiɗa na dijital) ta hanyar bit, wanda aka sanya a matsayin kbps.
Mafi girma da bit bit, da ƙarin bayanai da fayil yana da mafi kyau da MP3 sauti. Ƙananan rates na yau da kullum shine 128 kps, 192 kbps, da 256 kbps.
Akwai nau'i nau'i biyu da ake amfani da su tare da MP3s: Ƙimar Bit Rate (CBR) da Variable Bit Rate (VBR) . Mutane da yawa na zamani MP3 suna amfani da VBR, wanda ke sanya fayilolin ƙananan ta hanyar sanya wasu ɓangarori na waƙoƙi a ƙananan ƙananan sauƙi, yayin da wasu suna ƙulla ta amfani da ƙananan rates. Alal misali, sashe na waƙa da kayan aiki daya kawai ya fi sauƙi kuma za'a iya sanya shi tareda ƙaramin jujjuya, yayin da ɓangarori na waƙa da kayan aiki mai mahimmanci ya kamata su zama ƙasa da ƙira don ɗaukar sauti. Ta hanyar canzawa da bit, yawan sauti na ainihi na MP3 zai iya zama a sama yayin ajiya da aka buƙaci don fayil ɗin yana riƙe da ƙananan ƙananan.
Ta yaya MP3s Aiki tare da iTunes
MP3 na iya zama mafi yawan mashafi na zamani a kan layi, amma iTunes Store baya bayar da kiɗa a cikin wannan tsari (ƙarin akan wannan a cikin sashe na gaba). Duk da haka, MP3s sun dace da iTunes kuma tare da duk na'urorin iOS, kamar iPhone da iPad. Za ku iya samun MP3s daga:
- Abubuwan da aka samo asali na Digital kamar AmazonMP3 da eMusic
- Samun waƙoƙin CD , dangane da saitunan kiɗa-tuba
- Yawan ayyukan rabawa-fayiloli da yawa.
Duk Game da AAC Format
AAC, wanda ke tsaye don Advanced Audio Coding, shi ne nau'in fayil mai jiwuwa na zamani wanda aka inganta a matsayin mai maye ga MP3. AAC yana bayar da sauti mafi kyau fiye da MP3 yayin amfani da adadin sararin samaniya ko žasa.
Mutane da yawa suna tunanin AAC shine tsarin Apple, amma wannan ba daidai bane. AAC ta haɓaka ta ƙungiyar kamfanonin ciki har da AT & T Bell Labs, Dolby, Nokia da Sony. Duk da yake Apple ya karbi AAC don waƙarsa, ana iya buga fayilolin AAC a kan wasu na'urori marasa Apple, ciki har da wasanni na wasanni da wayoyin hannu da ke gudana Google OS ta OS, da sauransu.
Yadda AAC ke aiki
Kamar MP3, AAC shine nauyin fayil din ɓatacce. Don ƙinƙirin ɗakunan ajiyar CD zuwa fayilolin da ke ɗaukar ƙasa da ajiya, bayanan da ba zai tasiri tasirin sauraro-sake, gaba daya a matsayi mai girma da ƙananan-an cire. A sakamakon matsalolin, fayilolin AAC ba sauti sauti da fayiloli na CD, amma a kullum suna jin dadi sosai cewa yawancin mutane basu lura da matsawa ba.
Kamar MP3s, ana auna ma'aunin fayil din AAC bisa la'akari da bit bit. Na'urar AAC bitrates sun hada da 128 kbps, 192 kbps, da 256 kbps.
Abubuwan da AAC ke samar da mafi kyaun murya fiye da MP3s sune hadari. Don ƙarin koyo game da cikakken fasaha game da wannan bambanci, karanta labarin Wikipedia akan AAC.
Yadda AAC yayi aiki tare da iTunes
Apple ya karbi AAC a matsayin hanyar da aka fi so don saurare. Duk waƙoƙin da aka sayar a iTunes Store, kuma duk waƙoƙin da aka kwarara ko sauke daga Apple Music, suna cikin tsarin AAC. Duk fayilolin AAC da aka bayar a cikin waɗannan hanyoyi an ƙaddara a 256 kbps.
Tsarin Fayil ɗin Audio na WAV
WAV taka raguwa ne don Waveform Audio Format. Wannan babban fayil ne mai ɗorewa wanda ake amfani dashi don aikace-aikace waɗanda suke buƙatar sauti mai kyau, kamar CDs. Fayilolin WAV ba su dace ba, sabili da haka suna ɗaukar sararin samaniya fiye da MP3 ko AACs, waɗanda aka matsa.
Saboda fayilolin WAV ba su da cikakkun bayanai (wanda aka fi sani da suna "formatless" format ), suna ƙunshe da ƙarin bayanai kuma suna samar da mafi alhẽri, ƙari, da kuma cikakkun sauti. Wani fayil na WAV yana buƙatar 10 MB na kowane minti daya na murya. By kwatanta, MP3 yana buƙatar kimanin 1 MB na kowane minti daya.
Filayen WAV sun dace da na'urorin Apple, amma ba'a amfani da su ba sai ta audiophiles. Ƙara koyo game da tsarin WAV .
Tsarin Fayil ɗin Audio na WMA
WMA yana tsaye ne don Windows Media Audio. Wannan shi ne nau'in fayil ɗin da aka fi ƙarfa ta hanyar Microsoft, kamfanin da ya ƙirƙira shi. Yana da tsarin samfurin da aka yi amfani dasu a Windows Media Player, duka a kan Macs da PCs. Ya yi nasara tare da matakan MP3 da AAC kuma yana ba da damuwa irin su da kuma manyan fayiloli kamar waɗannan samfurori. Ba jituwa tare da iPhone, iPad, da irin na'urorin Apple ba. Ƙara koyo game da tsarin WMA .
Fayil ɗin Fayil na AIFF
AIFF yana tsaye ne don Audio Interchange File File. Wani nau'in bidiyon da ba'a dace da shi ba, Apple ya kirkiro Apple a farkon shekarun 1980. Kamar WAV, yana amfani game da 10 MB na ajiya da minti na kiɗa. Domin ba ya matsawa wani abu ba, AIFF ya zama mafi girman yanayin da aka fi so da audiophiles da masu kida. Tun da aka kirkiro ta Apple, yana da jituwa tare da na'urorin Apple. Ƙara koyo game da tsarin AIFF .
Tsarin Fayil na Wayar Apple maras amfani
Wani Kamfani na Apple, watau Apple Codec (ALAC) Apple ba shi da wani majiɓin AIFF. Wannan fitowar, wanda aka fitar a shekara ta 2004, ya kasance ainihin tsari. Apple ya sanya shi bude tushe a 2011. Apple Lossless balances rage girman fayil tare da riƙe sauti mai kyau. Kayan fayiloli yana kusan 50% ƙarami fiye da fayiloli marasa ƙarfi, amma tare da žarar hasara a cikin ingancin kunne fiye da MP3 ko AAC. Ƙara koyo game da tsarin ALAC .
Fayil ɗin Fayil ɗin Audio na FLAC
Popular tare da audiophiles, FLAC (Free Lossless Audio Codec) shi ne wata maɓalli mai tushe mai tushe wanda zai iya rage girman fayil ɗin ta hanyar 50-60% ba tare da rage yawan sauti mai yawa ba.
FLAC ba dace da kayan iTunes ko na'urori na iOS daga cikin akwatin ba, amma zai iya aiki tare da ƙarin software da aka sanya akan na'urarka. Ƙara koyo game da tsarin FLAC .
Wadanne fayiloli na Audio sun dace da iPhone / iPad / iPod
| Daidaita? | |
| MP3 | Ee |
| AAC | Ee |
| WAV | Ee |
| WMA | A'a |
| AIFF | Ee |
| Apple Lossless | Ee |
| FLAC | Da ƙarin software |